| Giraldilla Int. XD | 2019/02/23 07:20 | Koga, Minoru v Leelavechabutr, Kantawat | W | 2-0 |
| Giraldilla Int. XD | 2019/02/22 06:40 | Koga, Minoru v Chong, Yee Han | W | 2-1 |
| Giraldilla Int. XD | 2019/02/21 06:10 | Koga, Minoru v Chotphinit, Phakorn | W | 2-0 |
| Open de Suède | 2019/01/20 12:00 | Koga, Minoru v Kean Yew Loh | W | 2-0 |
| Open de Suède | 2019/01/19 17:00 | Koga, Minoru v Heino, Eetu | W | 2-0 |
| Open de Suède | 2019/01/19 10:00 | Koga, Minoru v Burestedt, Felix | W | 2-1 |
| Open de Suède | 2019/01/18 08:30 | Kim Bruun v Koga, Minoru | W | 0-2 |
| Estonie Int. - | 2019/01/11 16:30 | Must, Raul v Koga, Minoru | L | 2-0 |
| Giraldilla Int. XD | 2019/02/23 06:50 | Yan, Runze v Kodai Naraoka | W | 0-2 |
| Giraldilla Int. XD | 2019/02/21 13:20 | Oupthong, Ruttanapak v Kodai Naraoka | W | 0-2 |
| Giraldilla Int. XD | 2019/02/20 11:10 | Hai Dang Nguyen v Kodai Naraoka | W | 0-2 |
| Giraldilla Int. XD | 2018/12/22 20:00 | Koki Watanabe v Kodai Naraoka | L | 2-1 |
| Giraldilla Int. XD | 2018/12/22 01:30 | Kodai Naraoka v Igarashi, Yu | W | 2-0 |
| Giraldilla Int. XD | 2018/12/19 21:05 | Kodai Naraoka v Karan Rajan Rajarajan | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/08/28 12:25 | Takeshita, Riichi v Kodai Naraoka | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/08/28 10:35 | Fabio Caponio v Kodai Naraoka | W | 0-2 |